Yes, the word 'covered' is the past participle, past tense of the verb to 'cover', an action verb.
No, "covered" is not a preposition. It is a verb that describes an action of placing or providing cover over something.
It is an action verb.
began is an action verb, not a linking verb.
action verb because you did this action (sent)
what follows a linking or action verb
An action verb
Action verb
It is an action verb.
Action verb
action verb
The verb stay is an action verb.
The word "reach" can function as both a verb and a noun. As a verb, it indicates the action of extending or stretching out. As a noun, it refers to the extent or distance that can be covered by stretching or extending.